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<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright (c) 2009 Kathryn Huxtable and Kenneth Orr.</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * This file is part of the SeaGlass Pluggable Look and Feel.</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * Licensed under the Apache License, Version 2.0 (the "License");</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> * you may not use this file except in compliance with the License.</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> * You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> *     <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <em class="jxr_comment"> * limitations under the License.</em>
<a class="jxr_linenumber" name="17" href="#17">17</a>  <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="18" href="#18">18</a>  <em class="jxr_comment"> * $Id: AbstractRegionPainter.java 1595 2011-08-09 20:33:48Z rosstauscher@gmx.de $</em>
<a class="jxr_linenumber" name="19" href="#19">19</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">package</strong> com.seaglasslookandfeel.painter;
<a class="jxr_linenumber" name="21" href="#21">21</a>  
<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> java.awt.AlphaComposite;
<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> java.awt.Color;
<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> java.awt.Graphics2D;
<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> java.awt.GraphicsConfiguration;
<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> java.awt.Insets;
<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> java.awt.LinearGradientPaint;
<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> java.awt.Paint;
<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> java.awt.RadialGradientPaint;
<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> java.awt.RenderingHints;
<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> java.awt.Shape;
<a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> java.awt.Transparency;
<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> java.awt.geom.Rectangle2D;
<a class="jxr_linenumber" name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong> java.awt.image.VolatileImage;
<a class="jxr_linenumber" name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong> java.awt.print.PrinterGraphics;
<a class="jxr_linenumber" name="36" href="#36">36</a>  
<a class="jxr_linenumber" name="37" href="#37">37</a>  <strong class="jxr_keyword">import</strong> java.lang.reflect.Method;
<a class="jxr_linenumber" name="38" href="#38">38</a>  
<a class="jxr_linenumber" name="39" href="#39">39</a>  <strong class="jxr_keyword">import</strong> javax.swing.JComponent;
<a class="jxr_linenumber" name="40" href="#40">40</a>  <strong class="jxr_keyword">import</strong> javax.swing.JList;
<a class="jxr_linenumber" name="41" href="#41">41</a>  <strong class="jxr_keyword">import</strong> javax.swing.JTable;
<a class="jxr_linenumber" name="42" href="#42">42</a>  <strong class="jxr_keyword">import</strong> javax.swing.UIManager;
<a class="jxr_linenumber" name="43" href="#43">43</a>  <strong class="jxr_keyword">import</strong> javax.swing.plaf.UIResource;
<a class="jxr_linenumber" name="44" href="#44">44</a>  
<a class="jxr_linenumber" name="45" href="#45">45</a>  <strong class="jxr_keyword">import</strong> com.seaglasslookandfeel.SeaGlassLookAndFeel;
<a class="jxr_linenumber" name="46" href="#46">46</a>  <strong class="jxr_keyword">import</strong> com.seaglasslookandfeel.painter.AbstractRegionPainter.PaintContext.CacheMode;
<a class="jxr_linenumber" name="47" href="#47">47</a>  <strong class="jxr_keyword">import</strong> com.seaglasslookandfeel.painter.util.ShapeGenerator;
<a class="jxr_linenumber" name="48" href="#48">48</a>  <strong class="jxr_keyword">import</strong> com.seaglasslookandfeel.state.ControlInToolBarState;
<a class="jxr_linenumber" name="49" href="#49">49</a>  <strong class="jxr_keyword">import</strong> com.seaglasslookandfeel.state.State;
<a class="jxr_linenumber" name="50" href="#50">50</a>  <strong class="jxr_keyword">import</strong> com.seaglasslookandfeel.util.ImageCache;
<a class="jxr_linenumber" name="51" href="#51">51</a>  <strong class="jxr_keyword">import</strong> com.seaglasslookandfeel.util.SeaGlassGraphicsUtils;
<a class="jxr_linenumber" name="52" href="#52">52</a>  
<a class="jxr_linenumber" name="53" href="#53">53</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="54" href="#54">54</a>  <em class="jxr_javadoccomment"> * Convenient base class for defining Painter instances for rendering a region</em>
<a class="jxr_linenumber" name="55" href="#55">55</a>  <em class="jxr_javadoccomment"> * or component in Sea Glass.</em>
<a class="jxr_linenumber" name="56" href="#56">56</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="57" href="#57">57</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;Based on Nimbus's AbstractRegionPainter by Jasper Potts and Richard Bair.</em>
<a class="jxr_linenumber" name="58" href="#58">58</a>  <em class="jxr_javadoccomment"> * This was package local.&lt;/p&gt;</em>
<a class="jxr_linenumber" name="59" href="#59">59</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="60" href="#60">60</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="61" href="#61">61</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">class</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">AbstractRegionPainter</a> <strong class="jxr_keyword">implements</strong> SeaGlassPainter&lt;JComponent&gt; {
<a class="jxr_linenumber" name="62" href="#62">62</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../com/seaglasslookandfeel/state/State.html">State</a> inToolBarState = <strong class="jxr_keyword">new</strong> <a href="../../../com/seaglasslookandfeel/state/ControlInToolBarState.html">ControlInToolBarState</a>();
<a class="jxr_linenumber" name="63" href="#63">63</a>  
<a class="jxr_linenumber" name="64" href="#64">64</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="65" href="#65">65</a>  <em class="jxr_javadoccomment">     * Focus ring color state.</em>
<a class="jxr_linenumber" name="66" href="#66">66</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="67" href="#67">67</a>      <strong class="jxr_keyword">public</strong> enum <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">FocusType</a> {
<a class="jxr_linenumber" name="68" href="#68">68</a>          INNER_FOCUS, OUTER_FOCUS,
<a class="jxr_linenumber" name="69" href="#69">69</a>      }
<a class="jxr_linenumber" name="70" href="#70">70</a>  
<a class="jxr_linenumber" name="71" href="#71">71</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="72" href="#72">72</a>  <em class="jxr_javadoccomment">     * PaintContext, which holds a lot of the state needed for cache hinting and</em>
<a class="jxr_linenumber" name="73" href="#73">73</a>  <em class="jxr_javadoccomment">     * x/y value decoding The data contained within the context is typically</em>
<a class="jxr_linenumber" name="74" href="#74">74</a>  <em class="jxr_javadoccomment">     * only computed once and reused over multiple paint calls, whereas the</em>
<a class="jxr_linenumber" name="75" href="#75">75</a>  <em class="jxr_javadoccomment">     * other values (w, h, f, leftWidth, etc) are recomputed for each call to</em>
<a class="jxr_linenumber" name="76" href="#76">76</a>  <em class="jxr_javadoccomment">     * paint.</em>
<a class="jxr_linenumber" name="77" href="#77">77</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="78" href="#78">78</a>  <em class="jxr_javadoccomment">     * &lt;p&gt;This field is retrieved from subclasses on each paint operation. It is</em>
<a class="jxr_linenumber" name="79" href="#79">79</a>  <em class="jxr_javadoccomment">     * up to the subclass to compute and cache the PaintContext over multiple</em>
<a class="jxr_linenumber" name="80" href="#80">80</a>  <em class="jxr_javadoccomment">     * calls.&lt;/p&gt;</em>
<a class="jxr_linenumber" name="81" href="#81">81</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="82" href="#82">82</a>      <strong class="jxr_keyword">private</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">PaintContext</a> ctx;
<a class="jxr_linenumber" name="83" href="#83">83</a>  
<a class="jxr_linenumber" name="84" href="#84">84</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> The generator for almost all of the shapes we use to draw controls. */</em>
<a class="jxr_linenumber" name="85" href="#85">85</a>      <strong class="jxr_keyword">protected</strong> <a href="../../../com/seaglasslookandfeel/painter/util/ShapeGenerator.html">ShapeGenerator</a> shapeGenerator = <strong class="jxr_keyword">new</strong> <a href="../../../com/seaglasslookandfeel/painter/util/ShapeGenerator.html">ShapeGenerator</a>();
<a class="jxr_linenumber" name="86" href="#86">86</a>  
<a class="jxr_linenumber" name="87" href="#87">87</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="88" href="#88">88</a>  <em class="jxr_javadoccomment">     * Insets used for positioning the control border in order to leave enough</em>
<a class="jxr_linenumber" name="89" href="#89">89</a>  <em class="jxr_javadoccomment">     * room for the focus indicator.</em>
<a class="jxr_linenumber" name="90" href="#90">90</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="91" href="#91">91</a>      <strong class="jxr_keyword">protected</strong> Insets focusInsets;
<a class="jxr_linenumber" name="92" href="#92">92</a>  
<a class="jxr_linenumber" name="93" href="#93">93</a>      <strong class="jxr_keyword">private</strong> Color outerFocus        = decodeColor(<span class="jxr_string">"seaGlassOuterFocus"</span>);
<a class="jxr_linenumber" name="94" href="#94">94</a>      <strong class="jxr_keyword">private</strong> Color innerFocus        = decodeColor(<span class="jxr_string">"seaGlassFocus"</span>);
<a class="jxr_linenumber" name="95" href="#95">95</a>      <strong class="jxr_keyword">private</strong> Color outerToolBarFocus = decodeColor(<span class="jxr_string">"seaGlassToolBarOuterFocus"</span>);
<a class="jxr_linenumber" name="96" href="#96">96</a>      <strong class="jxr_keyword">private</strong> Color innerToolBarFocus = decodeColor(<span class="jxr_string">"seaGlassToolBarFocus"</span>);
<a class="jxr_linenumber" name="97" href="#97">97</a>  
<a class="jxr_linenumber" name="98" href="#98">98</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="99" href="#99">99</a>  <em class="jxr_javadoccomment">     * Create a new AbstractRegionPainter</em>
<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="101" href="#101">101</a>     <strong class="jxr_keyword">protected</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">AbstractRegionPainter</a>() {
<a class="jxr_linenumber" name="102" href="#102">102</a>         focusInsets = UIManager.getInsets(<span class="jxr_string">"seaGlassFocusInsets"</span>);
<a class="jxr_linenumber" name="103" href="#103">103</a>     }
<a class="jxr_linenumber" name="104" href="#104">104</a> 
<a class="jxr_linenumber" name="105" href="#105">105</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="106" href="#106">106</a> <em class="jxr_javadoccomment">     * Returns true if we should paint focus using light colors on a blue</em>
<a class="jxr_linenumber" name="107" href="#107">107</a> <em class="jxr_javadoccomment">     * toolbar.</em>
<a class="jxr_linenumber" name="108" href="#108">108</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="109" href="#109">109</a> <em class="jxr_javadoccomment">     * @param  c</em>
<a class="jxr_linenumber" name="110" href="#110">110</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="111" href="#111">111</a> <em class="jxr_javadoccomment">     * @return</em>
<a class="jxr_linenumber" name="112" href="#112">112</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="113" href="#113">113</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">boolean</strong> isInToolBar(JComponent c) {
<a class="jxr_linenumber" name="114" href="#114">114</a>         <strong class="jxr_keyword">return</strong> inToolBarState.isInState(c);
<a class="jxr_linenumber" name="115" href="#115">115</a>     }
<a class="jxr_linenumber" name="116" href="#116">116</a> 
<a class="jxr_linenumber" name="117" href="#117">117</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="118" href="#118">118</a> <em class="jxr_javadoccomment">     * {@inheritDoc}</em>
<a class="jxr_linenumber" name="119" href="#119">119</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="120" href="#120">120</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> paint(Graphics2D g, JComponent c, <strong class="jxr_keyword">int</strong> w, <strong class="jxr_keyword">int</strong> h) {
<a class="jxr_linenumber" name="121" href="#121">121</a>         <em class="jxr_comment">// don't render if the width/height are too small</em>
<a class="jxr_linenumber" name="122" href="#122">122</a>         <strong class="jxr_keyword">if</strong> (w &lt;= 0 || h &lt;= 0)
<a class="jxr_linenumber" name="123" href="#123">123</a>             <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="124" href="#124">124</a> 
<a class="jxr_linenumber" name="125" href="#125">125</a>         Object[] extendedCacheKeys = getExtendedCacheKeys(c);
<a class="jxr_linenumber" name="126" href="#126">126</a> 
<a class="jxr_linenumber" name="127" href="#127">127</a>         ctx = getPaintContext();
<a class="jxr_linenumber" name="128" href="#128">128</a>         <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">CacheMode</a> cacheMode = ctx == <strong class="jxr_keyword">null</strong> ? CacheMode.NO_CACHING : ctx.getCacheMode();
<a class="jxr_linenumber" name="129" href="#129">129</a> 
<a class="jxr_linenumber" name="130" href="#130">130</a>         <strong class="jxr_keyword">if</strong> (cacheMode == CacheMode.NO_CACHING || !ImageCache.getInstance().isImageCachable(w, h) || g instanceof PrinterGraphics) {
<a class="jxr_linenumber" name="131" href="#131">131</a>             paintDirectly(g, c, w, h, extendedCacheKeys);
<a class="jxr_linenumber" name="132" href="#132">132</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="133" href="#133">133</a>             paintWithCaching(g, c, w, h, extendedCacheKeys);
<a class="jxr_linenumber" name="134" href="#134">134</a>         }
<a class="jxr_linenumber" name="135" href="#135">135</a>     }
<a class="jxr_linenumber" name="136" href="#136">136</a> 
<a class="jxr_linenumber" name="137" href="#137">137</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="138" href="#138">138</a> <em class="jxr_javadoccomment">     * Get any extra attributes which the painter implementation would like to</em>
<a class="jxr_linenumber" name="139" href="#139">139</a> <em class="jxr_javadoccomment">     * include in the image cache lookups. This is checked for every call of the</em>
<a class="jxr_linenumber" name="140" href="#140">140</a> <em class="jxr_javadoccomment">     * paint(g, c, w, h) method.</em>
<a class="jxr_linenumber" name="141" href="#141">141</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="142" href="#142">142</a> <em class="jxr_javadoccomment">     * @param  c The component on the current paint call</em>
<a class="jxr_linenumber" name="143" href="#143">143</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="144" href="#144">144</a> <em class="jxr_javadoccomment">     * @return Array of extra objects to be included in the cache key</em>
<a class="jxr_linenumber" name="145" href="#145">145</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="146" href="#146">146</a>     <strong class="jxr_keyword">protected</strong> Object[] getExtendedCacheKeys(JComponent c) {
<a class="jxr_linenumber" name="147" href="#147">147</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="148" href="#148">148</a>     }
<a class="jxr_linenumber" name="149" href="#149">149</a> 
<a class="jxr_linenumber" name="150" href="#150">150</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="151" href="#151">151</a> <em class="jxr_javadoccomment">     * &lt;p&gt;Gets the PaintContext for this painting operation. This method is</em>
<a class="jxr_linenumber" name="152" href="#152">152</a> <em class="jxr_javadoccomment">     * called on every paint, and so should be fast and produce no garbage. The</em>
<a class="jxr_linenumber" name="153" href="#153">153</a> <em class="jxr_javadoccomment">     * PaintContext contains information such as cache hints. It also contains</em>
<a class="jxr_linenumber" name="154" href="#154">154</a> <em class="jxr_javadoccomment">     * data necessary for decoding points at runtime, such as the stretching</em>
<a class="jxr_linenumber" name="155" href="#155">155</a> <em class="jxr_javadoccomment">     * insets, the canvas size at which the encoded points were defined, and</em>
<a class="jxr_linenumber" name="156" href="#156">156</a> <em class="jxr_javadoccomment">     * whether the stretching insets are inverted.&lt;/p&gt;</em>
<a class="jxr_linenumber" name="157" href="#157">157</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="158" href="#158">158</a> <em class="jxr_javadoccomment">     * &lt;p&gt;This method allows for subclasses to package the painting of different</em>
<a class="jxr_linenumber" name="159" href="#159">159</a> <em class="jxr_javadoccomment">     * states with possibly different canvas sizes, etc, into one</em>
<a class="jxr_linenumber" name="160" href="#160">160</a> <em class="jxr_javadoccomment">     * AbstractRegionPainter implementation.&lt;/p&gt;</em>
<a class="jxr_linenumber" name="161" href="#161">161</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="162" href="#162">162</a> <em class="jxr_javadoccomment">     * @return a PaintContext associated with this paint operation.</em>
<a class="jxr_linenumber" name="163" href="#163">163</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="164" href="#164">164</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">abstract</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">PaintContext</a> getPaintContext();
<a class="jxr_linenumber" name="165" href="#165">165</a> 
<a class="jxr_linenumber" name="166" href="#166">166</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="167" href="#167">167</a> <em class="jxr_javadoccomment">     * Get the paint to use for a focus ring.</em>
<a class="jxr_linenumber" name="168" href="#168">168</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="169" href="#169">169</a> <em class="jxr_javadoccomment">     * @param  s               the shape to paint.</em>
<a class="jxr_linenumber" name="170" href="#170">170</a> <em class="jxr_javadoccomment">     * @param  focusType       the focus type.</em>
<a class="jxr_linenumber" name="171" href="#171">171</a> <em class="jxr_javadoccomment">     * @param  useToolBarFocus whether we should use the colors for a toolbar control.</em>
<a class="jxr_linenumber" name="172" href="#172">172</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="173" href="#173">173</a> <em class="jxr_javadoccomment">     * @return the paint to use to paint the focus ring.</em>
<a class="jxr_linenumber" name="174" href="#174">174</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="175" href="#175">175</a>     <strong class="jxr_keyword">public</strong> Paint getFocusPaint(Shape s, <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">FocusType</a> focusType, <strong class="jxr_keyword">boolean</strong> useToolBarFocus) {
<a class="jxr_linenumber" name="176" href="#176">176</a>         <strong class="jxr_keyword">if</strong> (focusType == FocusType.OUTER_FOCUS) {
<a class="jxr_linenumber" name="177" href="#177">177</a>             <strong class="jxr_keyword">return</strong> useToolBarFocus ? outerToolBarFocus : outerFocus;
<a class="jxr_linenumber" name="178" href="#178">178</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="179" href="#179">179</a>             <strong class="jxr_keyword">return</strong> useToolBarFocus ? innerToolBarFocus : innerFocus;
<a class="jxr_linenumber" name="180" href="#180">180</a>         }
<a class="jxr_linenumber" name="181" href="#181">181</a>     }
<a class="jxr_linenumber" name="182" href="#182">182</a> 
<a class="jxr_linenumber" name="183" href="#183">183</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="184" href="#184">184</a> <em class="jxr_javadoccomment">     * &lt;p&gt;Configures the given Graphics2D. Often, rendering hints or</em>
<a class="jxr_linenumber" name="185" href="#185">185</a> <em class="jxr_javadoccomment">     * compositiing rules are applied to a Graphics2D object prior to painting,</em>
<a class="jxr_linenumber" name="186" href="#186">186</a> <em class="jxr_javadoccomment">     * which should affect all of the subsequent painting operations. This</em>
<a class="jxr_linenumber" name="187" href="#187">187</a> <em class="jxr_javadoccomment">     * method provides a convenient hook for configuring the Graphics object</em>
<a class="jxr_linenumber" name="188" href="#188">188</a> <em class="jxr_javadoccomment">     * prior to rendering, regardless of whether the render operation is</em>
<a class="jxr_linenumber" name="189" href="#189">189</a> <em class="jxr_javadoccomment">     * performed to an intermediate buffer or directly to the display.&lt;/p&gt;</em>
<a class="jxr_linenumber" name="190" href="#190">190</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="191" href="#191">191</a> <em class="jxr_javadoccomment">     * @param g The Graphics2D object to configure. Will not be null.</em>
<a class="jxr_linenumber" name="192" href="#192">192</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="193" href="#193">193</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> configureGraphics(Graphics2D g) {
<a class="jxr_linenumber" name="194" href="#194">194</a>         g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
<a class="jxr_linenumber" name="195" href="#195">195</a>     }
<a class="jxr_linenumber" name="196" href="#196">196</a> 
<a class="jxr_linenumber" name="197" href="#197">197</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="198" href="#198">198</a> <em class="jxr_javadoccomment">     * Actually performs the painting operation. Subclasses must implement this</em>
<a class="jxr_linenumber" name="199" href="#199">199</a> <em class="jxr_javadoccomment">     * method. The graphics object passed may represent the actual surface being</em>
<a class="jxr_linenumber" name="200" href="#200">200</a> <em class="jxr_javadoccomment">     * rendererd to, or it may be an intermediate buffer. It has also been</em>
<a class="jxr_linenumber" name="201" href="#201">201</a> <em class="jxr_javadoccomment">     * pre-translated. Simply render the component as if it were located at 0, 0</em>
<a class="jxr_linenumber" name="202" href="#202">202</a> <em class="jxr_javadoccomment">     * and had a width of &lt;code&gt;width&lt;/code&gt; and a height of &lt;code&gt;height&lt;/code&gt;</em>
<a class="jxr_linenumber" name="203" href="#203">203</a> <em class="jxr_javadoccomment">     * . For performance reasons, you may want to read the clip from the</em>
<a class="jxr_linenumber" name="204" href="#204">204</a> <em class="jxr_javadoccomment">     * Graphics2D object and only render within that space.</em>
<a class="jxr_linenumber" name="205" href="#205">205</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="206" href="#206">206</a> <em class="jxr_javadoccomment">     * @param g                 The Graphics2D surface to paint to</em>
<a class="jxr_linenumber" name="207" href="#207">207</a> <em class="jxr_javadoccomment">     * @param c                 The JComponent related to the drawing event. For</em>
<a class="jxr_linenumber" name="208" href="#208">208</a> <em class="jxr_javadoccomment">     *                          example, if the region being rendered is Button,</em>
<a class="jxr_linenumber" name="209" href="#209">209</a> <em class="jxr_javadoccomment">     *                          then &lt;code&gt;c&lt;/code&gt; will be a JButton. If the</em>
<a class="jxr_linenumber" name="210" href="#210">210</a> <em class="jxr_javadoccomment">     *                          region being drawn is ScrollBarSlider, then the</em>
<a class="jxr_linenumber" name="211" href="#211">211</a> <em class="jxr_javadoccomment">     *                          component will be JScrollBar. This value may be</em>
<a class="jxr_linenumber" name="212" href="#212">212</a> <em class="jxr_javadoccomment">     *                          null.</em>
<a class="jxr_linenumber" name="213" href="#213">213</a> <em class="jxr_javadoccomment">     * @param width             The width of the region to paint. Note that in</em>
<a class="jxr_linenumber" name="214" href="#214">214</a> <em class="jxr_javadoccomment">     *                          the case of painting the foreground, this value</em>
<a class="jxr_linenumber" name="215" href="#215">215</a> <em class="jxr_javadoccomment">     *                          may differ from c.getWidth().</em>
<a class="jxr_linenumber" name="216" href="#216">216</a> <em class="jxr_javadoccomment">     * @param height            The height of the region to paint. Note that in</em>
<a class="jxr_linenumber" name="217" href="#217">217</a> <em class="jxr_javadoccomment">     *                          the case of painting the foreground, this value</em>
<a class="jxr_linenumber" name="218" href="#218">218</a> <em class="jxr_javadoccomment">     *                          may differ from c.getHeight().</em>
<a class="jxr_linenumber" name="219" href="#219">219</a> <em class="jxr_javadoccomment">     * @param extendedCacheKeys The result of the call to getExtendedCacheKeys()</em>
<a class="jxr_linenumber" name="220" href="#220">220</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="221" href="#221">221</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> doPaint(Graphics2D g, JComponent c, <strong class="jxr_keyword">int</strong> width, <strong class="jxr_keyword">int</strong> height, Object[] extendedCacheKeys);
<a class="jxr_linenumber" name="222" href="#222">222</a> 
<a class="jxr_linenumber" name="223" href="#223">223</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="224" href="#224">224</a> <em class="jxr_javadoccomment">     * Decodes and returns a base color in UI defaults.</em>
<a class="jxr_linenumber" name="225" href="#225">225</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="226" href="#226">226</a> <em class="jxr_javadoccomment">     * @param  key A key corresponding to the value in the UI Defaults table of</em>
<a class="jxr_linenumber" name="227" href="#227">227</a> <em class="jxr_javadoccomment">     *             UIManager where the base color is defined</em>
<a class="jxr_linenumber" name="228" href="#228">228</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="229" href="#229">229</a> <em class="jxr_javadoccomment">     * @return The base color.</em>
<a class="jxr_linenumber" name="230" href="#230">230</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="231" href="#231">231</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> Color decodeColor(String key) {
<a class="jxr_linenumber" name="232" href="#232">232</a>         <strong class="jxr_keyword">return</strong> decodeColor(key, 0f, 0f, 0f, 0);
<a class="jxr_linenumber" name="233" href="#233">233</a>     }
<a class="jxr_linenumber" name="234" href="#234">234</a> 
<a class="jxr_linenumber" name="235" href="#235">235</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="236" href="#236">236</a> <em class="jxr_javadoccomment">     * Decodes and returns a color, which is derived from a base color in UI</em>
<a class="jxr_linenumber" name="237" href="#237">237</a> <em class="jxr_javadoccomment">     * defaults.</em>
<a class="jxr_linenumber" name="238" href="#238">238</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="239" href="#239">239</a> <em class="jxr_javadoccomment">     * @param  key     A key corresponding to the value in the UI Defaults table</em>
<a class="jxr_linenumber" name="240" href="#240">240</a> <em class="jxr_javadoccomment">     *                 of UIManager where the base color is defined</em>
<a class="jxr_linenumber" name="241" href="#241">241</a> <em class="jxr_javadoccomment">     * @param  hOffset The hue offset used for derivation.</em>
<a class="jxr_linenumber" name="242" href="#242">242</a> <em class="jxr_javadoccomment">     * @param  sOffset The saturation offset used for derivation.</em>
<a class="jxr_linenumber" name="243" href="#243">243</a> <em class="jxr_javadoccomment">     * @param  bOffset The brightness offset used for derivation.</em>
<a class="jxr_linenumber" name="244" href="#244">244</a> <em class="jxr_javadoccomment">     * @param  aOffset The alpha offset used for derivation. Between 0...255</em>
<a class="jxr_linenumber" name="245" href="#245">245</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="246" href="#246">246</a> <em class="jxr_javadoccomment">     * @return The derived color, whos color value will change if the parent</em>
<a class="jxr_linenumber" name="247" href="#247">247</a> <em class="jxr_javadoccomment">     *         uiDefault color changes.</em>
<a class="jxr_linenumber" name="248" href="#248">248</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="249" href="#249">249</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> Color decodeColor(String key, <strong class="jxr_keyword">float</strong> hOffset, <strong class="jxr_keyword">float</strong> sOffset, <strong class="jxr_keyword">float</strong> bOffset, <strong class="jxr_keyword">int</strong> aOffset) {
<a class="jxr_linenumber" name="250" href="#250">250</a>         <strong class="jxr_keyword">if</strong> (UIManager.getLookAndFeel() instanceof SeaGlassLookAndFeel) {
<a class="jxr_linenumber" name="251" href="#251">251</a>             <a href="../../../com/seaglasslookandfeel/SeaGlassLookAndFeel.html">SeaGlassLookAndFeel</a> laf = (SeaGlassLookAndFeel) UIManager.getLookAndFeel();
<a class="jxr_linenumber" name="252" href="#252">252</a> 
<a class="jxr_linenumber" name="253" href="#253">253</a>             <strong class="jxr_keyword">return</strong> laf.getDerivedColor(key, hOffset, sOffset, bOffset, aOffset, <strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="254" href="#254">254</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="255" href="#255">255</a> 
<a class="jxr_linenumber" name="256" href="#256">256</a>             <em class="jxr_comment">// can not give a right answer as painter should not be used outside</em>
<a class="jxr_linenumber" name="257" href="#257">257</a>             <em class="jxr_comment">// of nimbus laf but do the best we can</em>
<a class="jxr_linenumber" name="258" href="#258">258</a>             <strong class="jxr_keyword">return</strong> Color.getHSBColor(hOffset, sOffset, bOffset);
<a class="jxr_linenumber" name="259" href="#259">259</a>         }
<a class="jxr_linenumber" name="260" href="#260">260</a>     }
<a class="jxr_linenumber" name="261" href="#261">261</a> 
<a class="jxr_linenumber" name="262" href="#262">262</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="263" href="#263">263</a> <em class="jxr_javadoccomment">     * Derive and returns a color, which is based on an existing color.</em>
<a class="jxr_linenumber" name="264" href="#264">264</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="265" href="#265">265</a> <em class="jxr_javadoccomment">     * @param  src     The source color from which to derive the new color.</em>
<a class="jxr_linenumber" name="266" href="#266">266</a> <em class="jxr_javadoccomment">     * @param  hOffset The hue offset used for derivation.</em>
<a class="jxr_linenumber" name="267" href="#267">267</a> <em class="jxr_javadoccomment">     * @param  sOffset The saturation offset used for derivation.</em>
<a class="jxr_linenumber" name="268" href="#268">268</a> <em class="jxr_javadoccomment">     * @param  bOffset The brightness offset used for derivation.</em>
<a class="jxr_linenumber" name="269" href="#269">269</a> <em class="jxr_javadoccomment">     * @param  aOffset The alpha offset used for derivation. Between 0...255</em>
<a class="jxr_linenumber" name="270" href="#270">270</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="271" href="#271">271</a> <em class="jxr_javadoccomment">     * @return The derived color.</em>
<a class="jxr_linenumber" name="272" href="#272">272</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="273" href="#273">273</a>     <strong class="jxr_keyword">protected</strong> Color deriveColor(Color src, <strong class="jxr_keyword">float</strong> hOffset, <strong class="jxr_keyword">float</strong> sOffset, <strong class="jxr_keyword">float</strong> bOffset, <strong class="jxr_keyword">int</strong> aOffset) {
<a class="jxr_linenumber" name="274" href="#274">274</a>         <strong class="jxr_keyword">float</strong>[] tmp = Color.RGBtoHSB(src.getRed(), src.getGreen(), src.getBlue(), <strong class="jxr_keyword">null</strong>);
<a class="jxr_linenumber" name="275" href="#275">275</a> 
<a class="jxr_linenumber" name="276" href="#276">276</a>         <em class="jxr_comment">// apply offsets</em>
<a class="jxr_linenumber" name="277" href="#277">277</a>         tmp[0] = clamp(tmp[0] + hOffset);
<a class="jxr_linenumber" name="278" href="#278">278</a>         tmp[1] = clamp(tmp[1] + sOffset);
<a class="jxr_linenumber" name="279" href="#279">279</a>         tmp[2] = clamp(tmp[2] + bOffset);
<a class="jxr_linenumber" name="280" href="#280">280</a>         <strong class="jxr_keyword">int</strong> alpha = clamp(src.getAlpha() + aOffset);
<a class="jxr_linenumber" name="281" href="#281">281</a> 
<a class="jxr_linenumber" name="282" href="#282">282</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> Color((Color.HSBtoRGB(tmp[0], tmp[1], tmp[2]) &amp; 0xFFFFFF) | (alpha &lt;&lt; 24), <strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="283" href="#283">283</a>     }
<a class="jxr_linenumber" name="284" href="#284">284</a> 
<a class="jxr_linenumber" name="285" href="#285">285</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="286" href="#286">286</a> <em class="jxr_javadoccomment">     * Decodes and returns a color, which is derived from a offset between two</em>
<a class="jxr_linenumber" name="287" href="#287">287</a> <em class="jxr_javadoccomment">     * other colors.</em>
<a class="jxr_linenumber" name="288" href="#288">288</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="289" href="#289">289</a> <em class="jxr_javadoccomment">     * @param  color1   The first color</em>
<a class="jxr_linenumber" name="290" href="#290">290</a> <em class="jxr_javadoccomment">     * @param  color2   The second color</em>
<a class="jxr_linenumber" name="291" href="#291">291</a> <em class="jxr_javadoccomment">     * @param  midPoint The offset between color 1 and color 2, a value of 0.0</em>
<a class="jxr_linenumber" name="292" href="#292">292</a> <em class="jxr_javadoccomment">     *                  is color 1 and 1.0 is color 2;</em>
<a class="jxr_linenumber" name="293" href="#293">293</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="294" href="#294">294</a> <em class="jxr_javadoccomment">     * @return The derived color</em>
<a class="jxr_linenumber" name="295" href="#295">295</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="296" href="#296">296</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> Color decodeColor(Color color1, Color color2, <strong class="jxr_keyword">float</strong> midPoint) {
<a class="jxr_linenumber" name="297" href="#297">297</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> Color(deriveARGB(color1, color2, midPoint));
<a class="jxr_linenumber" name="298" href="#298">298</a>     }
<a class="jxr_linenumber" name="299" href="#299">299</a> 
<a class="jxr_linenumber" name="300" href="#300">300</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="301" href="#301">301</a> <em class="jxr_javadoccomment">     * Derives the ARGB value for a color based on an offset between two other</em>
<a class="jxr_linenumber" name="302" href="#302">302</a> <em class="jxr_javadoccomment">     * colors.</em>
<a class="jxr_linenumber" name="303" href="#303">303</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="304" href="#304">304</a> <em class="jxr_javadoccomment">     * @param  color1   The first color</em>
<a class="jxr_linenumber" name="305" href="#305">305</a> <em class="jxr_javadoccomment">     * @param  color2   The second color</em>
<a class="jxr_linenumber" name="306" href="#306">306</a> <em class="jxr_javadoccomment">     * @param  midPoint The offset between color 1 and color 2, a value of 0.0</em>
<a class="jxr_linenumber" name="307" href="#307">307</a> <em class="jxr_javadoccomment">     *                  is color 1 and 1.0 is color 2;</em>
<a class="jxr_linenumber" name="308" href="#308">308</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="309" href="#309">309</a> <em class="jxr_javadoccomment">     * @return the ARGB value for a new color based on this derivation</em>
<a class="jxr_linenumber" name="310" href="#310">310</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="311" href="#311">311</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> deriveARGB(Color color1, Color color2, <strong class="jxr_keyword">float</strong> midPoint) {
<a class="jxr_linenumber" name="312" href="#312">312</a>         <strong class="jxr_keyword">int</strong> r = color1.getRed() + (<strong class="jxr_keyword">int</strong>) ((color2.getRed() - color1.getRed()) * midPoint + 0.5f);
<a class="jxr_linenumber" name="313" href="#313">313</a>         <strong class="jxr_keyword">int</strong> g = color1.getGreen() + (<strong class="jxr_keyword">int</strong>) ((color2.getGreen() - color1.getGreen()) * midPoint + 0.5f);
<a class="jxr_linenumber" name="314" href="#314">314</a>         <strong class="jxr_keyword">int</strong> b = color1.getBlue() + (<strong class="jxr_keyword">int</strong>) ((color2.getBlue() - color1.getBlue()) * midPoint + 0.5f);
<a class="jxr_linenumber" name="315" href="#315">315</a>         <strong class="jxr_keyword">int</strong> a = color1.getAlpha() + (<strong class="jxr_keyword">int</strong>) ((color2.getAlpha() - color1.getAlpha()) * midPoint + 0.5f);
<a class="jxr_linenumber" name="316" href="#316">316</a> 
<a class="jxr_linenumber" name="317" href="#317">317</a>         <strong class="jxr_keyword">return</strong> ((a &amp; 0xFF) &lt;&lt; 24) | ((r &amp; 0xFF) &lt;&lt; 16) | ((g &amp; 0xFF) &lt;&lt; 8) | (b &amp; 0xFF);
<a class="jxr_linenumber" name="318" href="#318">318</a>     }
<a class="jxr_linenumber" name="319" href="#319">319</a> 
<a class="jxr_linenumber" name="320" href="#320">320</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="321" href="#321">321</a> <em class="jxr_javadoccomment">     * Given parameters for creating a LinearGradientPaint, this method will</em>
<a class="jxr_linenumber" name="322" href="#322">322</a> <em class="jxr_javadoccomment">     * create and return a linear gradient paint. One primary purpose for this</em>
<a class="jxr_linenumber" name="323" href="#323">323</a> <em class="jxr_javadoccomment">     * method is to avoid creating a LinearGradientPaint where the start and end</em>
<a class="jxr_linenumber" name="324" href="#324">324</a> <em class="jxr_javadoccomment">     * points are equal. In such a case, the end y point is slightly increased</em>
<a class="jxr_linenumber" name="325" href="#325">325</a> <em class="jxr_javadoccomment">     * to avoid the overlap.</em>
<a class="jxr_linenumber" name="326" href="#326">326</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="327" href="#327">327</a> <em class="jxr_javadoccomment">     * @param  x1</em>
<a class="jxr_linenumber" name="328" href="#328">328</a> <em class="jxr_javadoccomment">     * @param  y1</em>
<a class="jxr_linenumber" name="329" href="#329">329</a> <em class="jxr_javadoccomment">     * @param  x2</em>
<a class="jxr_linenumber" name="330" href="#330">330</a> <em class="jxr_javadoccomment">     * @param  y2</em>
<a class="jxr_linenumber" name="331" href="#331">331</a> <em class="jxr_javadoccomment">     * @param  midpoints</em>
<a class="jxr_linenumber" name="332" href="#332">332</a> <em class="jxr_javadoccomment">     * @param  colors</em>
<a class="jxr_linenumber" name="333" href="#333">333</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="334" href="#334">334</a> <em class="jxr_javadoccomment">     * @return a valid LinearGradientPaint. This method never returns null.</em>
<a class="jxr_linenumber" name="335" href="#335">335</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="336" href="#336">336</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> LinearGradientPaint createGradient(<strong class="jxr_keyword">float</strong> x1, <strong class="jxr_keyword">float</strong> y1, <strong class="jxr_keyword">float</strong> x2, <strong class="jxr_keyword">float</strong> y2, <strong class="jxr_keyword">float</strong>[] midpoints, Color[] colors) {
<a class="jxr_linenumber" name="337" href="#337">337</a>         <strong class="jxr_keyword">if</strong> (x1 == x2 &amp;&amp; y1 == y2) {
<a class="jxr_linenumber" name="338" href="#338">338</a>             y2 += .00001f;
<a class="jxr_linenumber" name="339" href="#339">339</a>         }
<a class="jxr_linenumber" name="340" href="#340">340</a> 
<a class="jxr_linenumber" name="341" href="#341">341</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> LinearGradientPaint(x1, y1, x2, y2, midpoints, colors);
<a class="jxr_linenumber" name="342" href="#342">342</a>     }
<a class="jxr_linenumber" name="343" href="#343">343</a> 
<a class="jxr_linenumber" name="344" href="#344">344</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="345" href="#345">345</a> <em class="jxr_javadoccomment">     * Given parameters for creating a RadialGradientPaint, this method will</em>
<a class="jxr_linenumber" name="346" href="#346">346</a> <em class="jxr_javadoccomment">     * create and return a radial gradient paint. One primary purpose for this</em>
<a class="jxr_linenumber" name="347" href="#347">347</a> <em class="jxr_javadoccomment">     * method is to avoid creating a RadialGradientPaint where the radius is</em>
<a class="jxr_linenumber" name="348" href="#348">348</a> <em class="jxr_javadoccomment">     * non-positive. In such a case, the radius is just slightly increased to</em>
<a class="jxr_linenumber" name="349" href="#349">349</a> <em class="jxr_javadoccomment">     * avoid 0.</em>
<a class="jxr_linenumber" name="350" href="#350">350</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="351" href="#351">351</a> <em class="jxr_javadoccomment">     * @param  x</em>
<a class="jxr_linenumber" name="352" href="#352">352</a> <em class="jxr_javadoccomment">     * @param  y</em>
<a class="jxr_linenumber" name="353" href="#353">353</a> <em class="jxr_javadoccomment">     * @param  r</em>
<a class="jxr_linenumber" name="354" href="#354">354</a> <em class="jxr_javadoccomment">     * @param  midpoints</em>
<a class="jxr_linenumber" name="355" href="#355">355</a> <em class="jxr_javadoccomment">     * @param  colors</em>
<a class="jxr_linenumber" name="356" href="#356">356</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="357" href="#357">357</a> <em class="jxr_javadoccomment">     * @return a valid RadialGradientPaint. This method never returns null.</em>
<a class="jxr_linenumber" name="358" href="#358">358</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="359" href="#359">359</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> RadialGradientPaint createRadialGradient(<strong class="jxr_keyword">float</strong> x, <strong class="jxr_keyword">float</strong> y, <strong class="jxr_keyword">float</strong> r, <strong class="jxr_keyword">float</strong>[] midpoints, Color[] colors) {
<a class="jxr_linenumber" name="360" href="#360">360</a>         <strong class="jxr_keyword">if</strong> (r == 0f) {
<a class="jxr_linenumber" name="361" href="#361">361</a>             r = .00001f;
<a class="jxr_linenumber" name="362" href="#362">362</a>         }
<a class="jxr_linenumber" name="363" href="#363">363</a> 
<a class="jxr_linenumber" name="364" href="#364">364</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> RadialGradientPaint(x, y, r, midpoints, colors);
<a class="jxr_linenumber" name="365" href="#365">365</a>     }
<a class="jxr_linenumber" name="366" href="#366">366</a> 
<a class="jxr_linenumber" name="367" href="#367">367</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="368" href="#368">368</a> <em class="jxr_javadoccomment">     * Creates a simple vertical gradient using the shape for bounds and the</em>
<a class="jxr_linenumber" name="369" href="#369">369</a> <em class="jxr_javadoccomment">     * colors for top and bottom colors.</em>
<a class="jxr_linenumber" name="370" href="#370">370</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="371" href="#371">371</a> <em class="jxr_javadoccomment">     * @param  s      the shape to use for bounds.</em>
<a class="jxr_linenumber" name="372" href="#372">372</a> <em class="jxr_javadoccomment">     * @param  colors the colors to use for the gradient.</em>
<a class="jxr_linenumber" name="373" href="#373">373</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="374" href="#374">374</a> <em class="jxr_javadoccomment">     * @return the gradient.</em>
<a class="jxr_linenumber" name="375" href="#375">375</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="376" href="#376">376</a>     <strong class="jxr_keyword">protected</strong> Paint createVerticalGradient(Shape s, <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">TwoColors</a> colors) {
<a class="jxr_linenumber" name="377" href="#377">377</a>         Rectangle2D bounds  = s.getBounds2D();
<a class="jxr_linenumber" name="378" href="#378">378</a>         <strong class="jxr_keyword">float</strong>       xCenter = (<strong class="jxr_keyword">float</strong>) bounds.getCenterX();
<a class="jxr_linenumber" name="379" href="#379">379</a>         <strong class="jxr_keyword">float</strong>       yMin    = (<strong class="jxr_keyword">float</strong>) bounds.getMinY();
<a class="jxr_linenumber" name="380" href="#380">380</a>         <strong class="jxr_keyword">float</strong>       yMax    = (<strong class="jxr_keyword">float</strong>) bounds.getMaxY();
<a class="jxr_linenumber" name="381" href="#381">381</a> 
<a class="jxr_linenumber" name="382" href="#382">382</a>         <strong class="jxr_keyword">return</strong> createGradient(xCenter, yMin, xCenter, yMax, <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">float</strong>[] { 0f, 1f }, <strong class="jxr_keyword">new</strong> Color[] { colors.top, colors.bottom });
<a class="jxr_linenumber" name="383" href="#383">383</a>     }
<a class="jxr_linenumber" name="384" href="#384">384</a> 
<a class="jxr_linenumber" name="385" href="#385">385</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="386" href="#386">386</a> <em class="jxr_javadoccomment">     * Creates a simple vertical gradient using the shape for bounds and the</em>
<a class="jxr_linenumber" name="387" href="#387">387</a> <em class="jxr_javadoccomment">     * colors for top, two middle, and bottom colors.</em>
<a class="jxr_linenumber" name="388" href="#388">388</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="389" href="#389">389</a> <em class="jxr_javadoccomment">     * @param  s      the shape to use for bounds.</em>
<a class="jxr_linenumber" name="390" href="#390">390</a> <em class="jxr_javadoccomment">     * @param  colors the colors to use for the gradient.</em>
<a class="jxr_linenumber" name="391" href="#391">391</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="392" href="#392">392</a> <em class="jxr_javadoccomment">     * @return the gradient.</em>
<a class="jxr_linenumber" name="393" href="#393">393</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="394" href="#394">394</a>     <strong class="jxr_keyword">protected</strong> Paint createVerticalGradient(Shape s, <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">FourColors</a> colors) {
<a class="jxr_linenumber" name="395" href="#395">395</a>         Rectangle2D bounds  = s.getBounds2D();
<a class="jxr_linenumber" name="396" href="#396">396</a>         <strong class="jxr_keyword">float</strong>       xCenter = (<strong class="jxr_keyword">float</strong>) bounds.getCenterX();
<a class="jxr_linenumber" name="397" href="#397">397</a>         <strong class="jxr_keyword">float</strong>       yMin    = (<strong class="jxr_keyword">float</strong>) bounds.getMinY();
<a class="jxr_linenumber" name="398" href="#398">398</a>         <strong class="jxr_keyword">float</strong>       yMax    = (<strong class="jxr_keyword">float</strong>) bounds.getMaxY();
<a class="jxr_linenumber" name="399" href="#399">399</a> 
<a class="jxr_linenumber" name="400" href="#400">400</a>         <strong class="jxr_keyword">return</strong> createGradient(xCenter, yMin, xCenter, yMax, <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">float</strong>[] { 0f, 0.45f, 0.62f, 1f },
<a class="jxr_linenumber" name="401" href="#401">401</a>                               <strong class="jxr_keyword">new</strong> Color[] { colors.top, colors.upperMid, colors.lowerMid, colors.bottom });
<a class="jxr_linenumber" name="402" href="#402">402</a>     }
<a class="jxr_linenumber" name="403" href="#403">403</a> 
<a class="jxr_linenumber" name="404" href="#404">404</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="405" href="#405">405</a> <em class="jxr_javadoccomment">     * Creates a simple horizontal gradient using the shape for bounds and the</em>
<a class="jxr_linenumber" name="406" href="#406">406</a> <em class="jxr_javadoccomment">     * colors for top and bottom colors.</em>
<a class="jxr_linenumber" name="407" href="#407">407</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="408" href="#408">408</a> <em class="jxr_javadoccomment">     * @param  s      the shape to use for bounds.</em>
<a class="jxr_linenumber" name="409" href="#409">409</a> <em class="jxr_javadoccomment">     * @param  colors the colors to use for the gradient.</em>
<a class="jxr_linenumber" name="410" href="#410">410</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="411" href="#411">411</a> <em class="jxr_javadoccomment">     * @return the gradient.</em>
<a class="jxr_linenumber" name="412" href="#412">412</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="413" href="#413">413</a>     <strong class="jxr_keyword">protected</strong> Paint createHorizontalGradient(Shape s, <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">TwoColors</a> colors) {
<a class="jxr_linenumber" name="414" href="#414">414</a>         Rectangle2D bounds  = s.getBounds2D();
<a class="jxr_linenumber" name="415" href="#415">415</a>         <strong class="jxr_keyword">float</strong>       xMin    = (<strong class="jxr_keyword">float</strong>) bounds.getMinX();
<a class="jxr_linenumber" name="416" href="#416">416</a>         <strong class="jxr_keyword">float</strong>       xMax    = (<strong class="jxr_keyword">float</strong>) bounds.getMaxX();
<a class="jxr_linenumber" name="417" href="#417">417</a>         <strong class="jxr_keyword">float</strong>       yCenter = (<strong class="jxr_keyword">float</strong>) bounds.getCenterY();
<a class="jxr_linenumber" name="418" href="#418">418</a> 
<a class="jxr_linenumber" name="419" href="#419">419</a>         <strong class="jxr_keyword">return</strong> createGradient(xMin, yCenter, xMax, yCenter, <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">float</strong>[] { 0f, 1f }, <strong class="jxr_keyword">new</strong> Color[] { colors.top, colors.bottom });
<a class="jxr_linenumber" name="420" href="#420">420</a>     }
<a class="jxr_linenumber" name="421" href="#421">421</a> 
<a class="jxr_linenumber" name="422" href="#422">422</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="423" href="#423">423</a> <em class="jxr_javadoccomment">     * Creates a simple horizontal gradient using the shape for bounds and the</em>
<a class="jxr_linenumber" name="424" href="#424">424</a> <em class="jxr_javadoccomment">     * colors for top, two middle, and bottom colors.</em>
<a class="jxr_linenumber" name="425" href="#425">425</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="426" href="#426">426</a> <em class="jxr_javadoccomment">     * @param  s      the shape to use for bounds.</em>
<a class="jxr_linenumber" name="427" href="#427">427</a> <em class="jxr_javadoccomment">     * @param  colors the colors to use for the gradient.</em>
<a class="jxr_linenumber" name="428" href="#428">428</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="429" href="#429">429</a> <em class="jxr_javadoccomment">     * @return the gradient.</em>
<a class="jxr_linenumber" name="430" href="#430">430</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="431" href="#431">431</a>     <strong class="jxr_keyword">protected</strong> Paint createHorizontalGradient(Shape s, <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">FourColors</a> colors) {
<a class="jxr_linenumber" name="432" href="#432">432</a>         Rectangle2D bounds = s.getBounds2D();
<a class="jxr_linenumber" name="433" href="#433">433</a>         <strong class="jxr_keyword">float</strong>       x      = (<strong class="jxr_keyword">float</strong>) bounds.getX();
<a class="jxr_linenumber" name="434" href="#434">434</a>         <strong class="jxr_keyword">float</strong>       y      = (<strong class="jxr_keyword">float</strong>) bounds.getY();
<a class="jxr_linenumber" name="435" href="#435">435</a>         <strong class="jxr_keyword">float</strong>       w      = (<strong class="jxr_keyword">float</strong>) bounds.getWidth();
<a class="jxr_linenumber" name="436" href="#436">436</a>         <strong class="jxr_keyword">float</strong>       h      = (<strong class="jxr_keyword">float</strong>) bounds.getHeight();
<a class="jxr_linenumber" name="437" href="#437">437</a> 
<a class="jxr_linenumber" name="438" href="#438">438</a>         <strong class="jxr_keyword">return</strong> createGradient(x, (0.5f * h) + y, x + w, (0.5f * h) + y, <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">float</strong>[] { 0f, 0.45f, 0.62f, 1f },
<a class="jxr_linenumber" name="439" href="#439">439</a>                               <strong class="jxr_keyword">new</strong> Color[] { colors.top, colors.upperMid, colors.lowerMid, colors.bottom });
<a class="jxr_linenumber" name="440" href="#440">440</a>     }
<a class="jxr_linenumber" name="441" href="#441">441</a> 
<a class="jxr_linenumber" name="442" href="#442">442</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="443" href="#443">443</a> <em class="jxr_javadoccomment">     * Get a color property from the given JComponent. First checks for a &lt;code&gt;</em>
<a class="jxr_linenumber" name="444" href="#444">444</a> <em class="jxr_javadoccomment">     * getXXX()&lt;/code&gt; method and if that fails checks for a client property</em>
<a class="jxr_linenumber" name="445" href="#445">445</a> <em class="jxr_javadoccomment">     * with key &lt;code&gt;property&lt;/code&gt;. If that still fails to return a Color</em>
<a class="jxr_linenumber" name="446" href="#446">446</a> <em class="jxr_javadoccomment">     * then &lt;code&gt;defaultColor&lt;/code&gt; is returned.</em>
<a class="jxr_linenumber" name="447" href="#447">447</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="448" href="#448">448</a> <em class="jxr_javadoccomment">     * @param  c                The component to get the color property from</em>
<a class="jxr_linenumber" name="449" href="#449">449</a> <em class="jxr_javadoccomment">     * @param  property         The name of a bean style property or client</em>
<a class="jxr_linenumber" name="450" href="#450">450</a> <em class="jxr_javadoccomment">     *                          property</em>
<a class="jxr_linenumber" name="451" href="#451">451</a> <em class="jxr_javadoccomment">     * @param  defaultColor     The color to return if no color was obtained</em>
<a class="jxr_linenumber" name="452" href="#452">452</a> <em class="jxr_javadoccomment">     *                          from the component.</em>
<a class="jxr_linenumber" name="453" href="#453">453</a> <em class="jxr_javadoccomment">     * @param  saturationOffset The offset for the saturation.</em>
<a class="jxr_linenumber" name="454" href="#454">454</a> <em class="jxr_javadoccomment">     * @param  brightnessOffset the offset for the brightness.</em>
<a class="jxr_linenumber" name="455" href="#455">455</a> <em class="jxr_javadoccomment">     * @param  alphaOffset      the offset for alpha.</em>
<a class="jxr_linenumber" name="456" href="#456">456</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="457" href="#457">457</a> <em class="jxr_javadoccomment">     * @return The color that was obtained from the component or defaultColor</em>
<a class="jxr_linenumber" name="458" href="#458">458</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="459" href="#459">459</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> Color getComponentColor(JComponent c, String property, Color defaultColor, <strong class="jxr_keyword">float</strong> saturationOffset,
<a class="jxr_linenumber" name="460" href="#460">460</a>             <strong class="jxr_keyword">float</strong> brightnessOffset, <strong class="jxr_keyword">int</strong> alphaOffset) {
<a class="jxr_linenumber" name="461" href="#461">461</a>         Color color = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="462" href="#462">462</a> 
<a class="jxr_linenumber" name="463" href="#463">463</a>         <strong class="jxr_keyword">if</strong> (c != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="464" href="#464">464</a> 
<a class="jxr_linenumber" name="465" href="#465">465</a>             <em class="jxr_comment">// handle some special cases for performance</em>
<a class="jxr_linenumber" name="466" href="#466">466</a>             <strong class="jxr_keyword">if</strong> (<span class="jxr_string">"background"</span>.equals(property)) {
<a class="jxr_linenumber" name="467" href="#467">467</a>                 color = c.getBackground();
<a class="jxr_linenumber" name="468" href="#468">468</a>             } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (<span class="jxr_string">"foreground"</span>.equals(property)) {
<a class="jxr_linenumber" name="469" href="#469">469</a>                 color = c.getForeground();
<a class="jxr_linenumber" name="470" href="#470">470</a>             } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (c instanceof JList &amp;&amp; <span class="jxr_string">"selectionForeground"</span>.equals(property)) {
<a class="jxr_linenumber" name="471" href="#471">471</a>                 color = ((JList) c).getSelectionForeground();
<a class="jxr_linenumber" name="472" href="#472">472</a>             } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (c instanceof JList &amp;&amp; <span class="jxr_string">"selectionBackground"</span>.equals(property)) {
<a class="jxr_linenumber" name="473" href="#473">473</a>                 color = ((JList) c).getSelectionBackground();
<a class="jxr_linenumber" name="474" href="#474">474</a>             } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (c instanceof JTable &amp;&amp; <span class="jxr_string">"selectionForeground"</span>.equals(property)) {
<a class="jxr_linenumber" name="475" href="#475">475</a>                 color = ((JTable) c).getSelectionForeground();
<a class="jxr_linenumber" name="476" href="#476">476</a>             } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (c instanceof JTable &amp;&amp; <span class="jxr_string">"selectionBackground"</span>.equals(property)) {
<a class="jxr_linenumber" name="477" href="#477">477</a>                 color = ((JTable) c).getSelectionBackground();
<a class="jxr_linenumber" name="478" href="#478">478</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="479" href="#479">479</a>                 String s = <span class="jxr_string">"get"</span> + Character.toUpperCase(property.charAt(0)) + property.substring(1);
<a class="jxr_linenumber" name="480" href="#480">480</a> 
<a class="jxr_linenumber" name="481" href="#481">481</a>                 <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="482" href="#482">482</a>                     Method method = c.getClass().getMethod(s);
<a class="jxr_linenumber" name="483" href="#483">483</a> 
<a class="jxr_linenumber" name="484" href="#484">484</a>                     color = (Color) method.invoke(c);
<a class="jxr_linenumber" name="485" href="#485">485</a>                 } <strong class="jxr_keyword">catch</strong> (Exception e) {
<a class="jxr_linenumber" name="486" href="#486">486</a>                     <em class="jxr_comment">// don't do anything, it just didn't work, that's all.</em>
<a class="jxr_linenumber" name="487" href="#487">487</a>                     <em class="jxr_comment">// This could be a normal occurance if you use a property</em>
<a class="jxr_linenumber" name="488" href="#488">488</a>                     <em class="jxr_comment">// name referring to a key in clientProperties instead of</em>
<a class="jxr_linenumber" name="489" href="#489">489</a>                     <em class="jxr_comment">// a real property</em>
<a class="jxr_linenumber" name="490" href="#490">490</a>                 }
<a class="jxr_linenumber" name="491" href="#491">491</a> 
<a class="jxr_linenumber" name="492" href="#492">492</a>                 <strong class="jxr_keyword">if</strong> (color == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="493" href="#493">493</a>                     Object value = c.getClientProperty(property);
<a class="jxr_linenumber" name="494" href="#494">494</a> 
<a class="jxr_linenumber" name="495" href="#495">495</a>                     <strong class="jxr_keyword">if</strong> (value instanceof Color) {
<a class="jxr_linenumber" name="496" href="#496">496</a>                         color = (Color) value;
<a class="jxr_linenumber" name="497" href="#497">497</a>                     }
<a class="jxr_linenumber" name="498" href="#498">498</a>                 }
<a class="jxr_linenumber" name="499" href="#499">499</a>             }
<a class="jxr_linenumber" name="500" href="#500">500</a>         }
<a class="jxr_linenumber" name="501" href="#501">501</a> 
<a class="jxr_linenumber" name="502" href="#502">502</a>         <em class="jxr_comment">// we return the defaultColor if the color found is null, or if</em>
<a class="jxr_linenumber" name="503" href="#503">503</a>         <em class="jxr_comment">// it is a UIResource. This is done because the color for the</em>
<a class="jxr_linenumber" name="504" href="#504">504</a>         <em class="jxr_comment">// ENABLED state is set on the component, but you don't want to use</em>
<a class="jxr_linenumber" name="505" href="#505">505</a>         <em class="jxr_comment">// that color for the over state. So we only respect the color</em>
<a class="jxr_linenumber" name="506" href="#506">506</a>         <em class="jxr_comment">// specified for the property if it was set by the user, as opposed</em>
<a class="jxr_linenumber" name="507" href="#507">507</a>         <em class="jxr_comment">// to set by us.</em>
<a class="jxr_linenumber" name="508" href="#508">508</a>         <strong class="jxr_keyword">if</strong> (color == <strong class="jxr_keyword">null</strong> || color instanceof UIResource) {
<a class="jxr_linenumber" name="509" href="#509">509</a>             <strong class="jxr_keyword">return</strong> defaultColor;
<a class="jxr_linenumber" name="510" href="#510">510</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (saturationOffset != 0 || brightnessOffset != 0 || alphaOffset != 0) {
<a class="jxr_linenumber" name="511" href="#511">511</a>             <strong class="jxr_keyword">float</strong>[] tmp = Color.RGBtoHSB(color.getRed(), color.getGreen(), color.getBlue(), <strong class="jxr_keyword">null</strong>);
<a class="jxr_linenumber" name="512" href="#512">512</a> 
<a class="jxr_linenumber" name="513" href="#513">513</a>             tmp[1] = clamp(tmp[1] + saturationOffset);
<a class="jxr_linenumber" name="514" href="#514">514</a>             tmp[2] = clamp(tmp[2] + brightnessOffset);
<a class="jxr_linenumber" name="515" href="#515">515</a>             <strong class="jxr_keyword">int</strong> alpha = clamp(color.getAlpha() + alphaOffset);
<a class="jxr_linenumber" name="516" href="#516">516</a> 
<a class="jxr_linenumber" name="517" href="#517">517</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> Color((Color.HSBtoRGB(tmp[0], tmp[1], tmp[2]) &amp; 0xFFFFFF) | (alpha &lt;&lt; 24));
<a class="jxr_linenumber" name="518" href="#518">518</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="519" href="#519">519</a>             <strong class="jxr_keyword">return</strong> color;
<a class="jxr_linenumber" name="520" href="#520">520</a>         }
<a class="jxr_linenumber" name="521" href="#521">521</a>     }
<a class="jxr_linenumber" name="522" href="#522">522</a> 
<a class="jxr_linenumber" name="523" href="#523">523</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="524" href="#524">524</a> <em class="jxr_javadoccomment">     * Returns a new color with the alpha of the old color cut in half.</em>
<a class="jxr_linenumber" name="525" href="#525">525</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="526" href="#526">526</a> <em class="jxr_javadoccomment">     * @param  color the original color.</em>
<a class="jxr_linenumber" name="527" href="#527">527</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="528" href="#528">528</a> <em class="jxr_javadoccomment">     * @return the new color.</em>
<a class="jxr_linenumber" name="529" href="#529">529</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="530" href="#530">530</a>     <strong class="jxr_keyword">protected</strong> Color disable(Color color) {
<a class="jxr_linenumber" name="531" href="#531">531</a>         <strong class="jxr_keyword">return</strong> SeaGlassGraphicsUtils.disable(color);
<a class="jxr_linenumber" name="532" href="#532">532</a>     }
<a class="jxr_linenumber" name="533" href="#533">533</a> 
<a class="jxr_linenumber" name="534" href="#534">534</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="535" href="#535">535</a> <em class="jxr_javadoccomment">     * Returns a new color with the saturation cut to one third the original,</em>
<a class="jxr_linenumber" name="536" href="#536">536</a> <em class="jxr_javadoccomment">     * and the brightness moved one third closer to white.</em>
<a class="jxr_linenumber" name="537" href="#537">537</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="538" href="#538">538</a> <em class="jxr_javadoccomment">     * @param  color the original color.</em>
<a class="jxr_linenumber" name="539" href="#539">539</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="540" href="#540">540</a> <em class="jxr_javadoccomment">     * @return the new color.</em>
<a class="jxr_linenumber" name="541" href="#541">541</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="542" href="#542">542</a>     <strong class="jxr_keyword">protected</strong> Color desaturate(Color color) {
<a class="jxr_linenumber" name="543" href="#543">543</a>         <strong class="jxr_keyword">float</strong>[] tmp = Color.RGBtoHSB(color.getRed(), color.getGreen(), color.getBlue(), <strong class="jxr_keyword">null</strong>);
<a class="jxr_linenumber" name="544" href="#544">544</a> 
<a class="jxr_linenumber" name="545" href="#545">545</a>         tmp[1] /= 3.0f;
<a class="jxr_linenumber" name="546" href="#546">546</a>         tmp[2] = clamp(1.0f - (1.0f - tmp[2]) / 3f);
<a class="jxr_linenumber" name="547" href="#547">547</a> 
<a class="jxr_linenumber" name="548" href="#548">548</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> Color((Color.HSBtoRGB(tmp[0], tmp[1], tmp[2]) &amp; 0xFFFFFF));
<a class="jxr_linenumber" name="549" href="#549">549</a>     }
<a class="jxr_linenumber" name="550" href="#550">550</a> 
<a class="jxr_linenumber" name="551" href="#551">551</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="552" href="#552">552</a> <em class="jxr_javadoccomment">     * Returns a new TwoColors object with each color disabled using</em>
<a class="jxr_linenumber" name="553" href="#553">553</a> <em class="jxr_javadoccomment">     * {@link disable(Color)}.</em>
<a class="jxr_linenumber" name="554" href="#554">554</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="555" href="#555">555</a> <em class="jxr_javadoccomment">     * @param  colors the original colors.</em>
<a class="jxr_linenumber" name="556" href="#556">556</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="557" href="#557">557</a> <em class="jxr_javadoccomment">     * @return the new colors.</em>
<a class="jxr_linenumber" name="558" href="#558">558</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="559" href="#559">559</a>     <strong class="jxr_keyword">protected</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">TwoColors</a> disable(<a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">TwoColors</a> colors) {
<a class="jxr_linenumber" name="560" href="#560">560</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">TwoColors</a>(disable(colors.top), disable(colors.bottom));
<a class="jxr_linenumber" name="561" href="#561">561</a>     }
<a class="jxr_linenumber" name="562" href="#562">562</a> 
<a class="jxr_linenumber" name="563" href="#563">563</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="564" href="#564">564</a> <em class="jxr_javadoccomment">     * Returns a new TwoColors object with each color desaturated using</em>
<a class="jxr_linenumber" name="565" href="#565">565</a> <em class="jxr_javadoccomment">     * {@link desaturate(Color)}.</em>
<a class="jxr_linenumber" name="566" href="#566">566</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="567" href="#567">567</a> <em class="jxr_javadoccomment">     * @param  colors the original colors.</em>
<a class="jxr_linenumber" name="568" href="#568">568</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="569" href="#569">569</a> <em class="jxr_javadoccomment">     * @return the new colors.</em>
<a class="jxr_linenumber" name="570" href="#570">570</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="571" href="#571">571</a>     <strong class="jxr_keyword">protected</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">TwoColors</a> desaturate(<a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">TwoColors</a> colors) {
<a class="jxr_linenumber" name="572" href="#572">572</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">TwoColors</a>(desaturate(colors.top), desaturate(colors.bottom));
<a class="jxr_linenumber" name="573" href="#573">573</a>     }
<a class="jxr_linenumber" name="574" href="#574">574</a> 
<a class="jxr_linenumber" name="575" href="#575">575</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="576" href="#576">576</a> <em class="jxr_javadoccomment">     * Returns a new FourColors object with each color disabled using</em>
<a class="jxr_linenumber" name="577" href="#577">577</a> <em class="jxr_javadoccomment">     * {@link disable(Color)}.</em>
<a class="jxr_linenumber" name="578" href="#578">578</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="579" href="#579">579</a> <em class="jxr_javadoccomment">     * @param  colors the original colors.</em>
<a class="jxr_linenumber" name="580" href="#580">580</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="581" href="#581">581</a> <em class="jxr_javadoccomment">     * @return the new colors.</em>
<a class="jxr_linenumber" name="582" href="#582">582</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="583" href="#583">583</a>     <strong class="jxr_keyword">protected</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">FourColors</a> disable(<a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">FourColors</a> colors) {
<a class="jxr_linenumber" name="584" href="#584">584</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">FourColors</a>(disable(colors.top), disable(colors.upperMid), disable(colors.lowerMid), disable(colors.bottom));
<a class="jxr_linenumber" name="585" href="#585">585</a>     }
<a class="jxr_linenumber" name="586" href="#586">586</a> 
<a class="jxr_linenumber" name="587" href="#587">587</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="588" href="#588">588</a> <em class="jxr_javadoccomment">     * Returns a new FourColors object with each color desaturated using</em>
<a class="jxr_linenumber" name="589" href="#589">589</a> <em class="jxr_javadoccomment">     * {@link desaturate(Color)}.</em>
<a class="jxr_linenumber" name="590" href="#590">590</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="591" href="#591">591</a> <em class="jxr_javadoccomment">     * @param  colors the original colors.</em>
<a class="jxr_linenumber" name="592" href="#592">592</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="593" href="#593">593</a> <em class="jxr_javadoccomment">     * @return the new colors.</em>
<a class="jxr_linenumber" name="594" href="#594">594</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="595" href="#595">595</a>     <strong class="jxr_keyword">protected</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">FourColors</a> desaturate(<a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">FourColors</a> colors) {
<a class="jxr_linenumber" name="596" href="#596">596</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">FourColors</a>(desaturate(colors.top), desaturate(colors.upperMid), desaturate(colors.lowerMid), desaturate(colors.bottom));
<a class="jxr_linenumber" name="597" href="#597">597</a>     }
<a class="jxr_linenumber" name="598" href="#598">598</a> 
<a class="jxr_linenumber" name="599" href="#599">599</a>     <em class="jxr_comment">// ---------------------- private methods</em>
<a class="jxr_linenumber" name="600" href="#600">600</a> 
<a class="jxr_linenumber" name="601" href="#601">601</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="602" href="#602">602</a> <em class="jxr_javadoccomment">     * Paint the component, using a cached image if possible.</em>
<a class="jxr_linenumber" name="603" href="#603">603</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="604" href="#604">604</a> <em class="jxr_javadoccomment">     * @param g                 the Graphics2D context to paint with.</em>
<a class="jxr_linenumber" name="605" href="#605">605</a> <em class="jxr_javadoccomment">     * @param c                 the component to paint.</em>
<a class="jxr_linenumber" name="606" href="#606">606</a> <em class="jxr_javadoccomment">     * @param w                 the component width.</em>
<a class="jxr_linenumber" name="607" href="#607">607</a> <em class="jxr_javadoccomment">     * @param h                 the component height.</em>
<a class="jxr_linenumber" name="608" href="#608">608</a> <em class="jxr_javadoccomment">     * @param extendedCacheKeys extended cache keys.</em>
<a class="jxr_linenumber" name="609" href="#609">609</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="610" href="#610">610</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> paintWithCaching(Graphics2D g, JComponent c, <strong class="jxr_keyword">int</strong> w, <strong class="jxr_keyword">int</strong> h, Object[] extendedCacheKeys) {
<a class="jxr_linenumber" name="611" href="#611">611</a>         VolatileImage img = getImage(g.getDeviceConfiguration(), c, w, h, extendedCacheKeys);
<a class="jxr_linenumber" name="612" href="#612">612</a> 
<a class="jxr_linenumber" name="613" href="#613">613</a>         <strong class="jxr_keyword">if</strong> (img != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="614" href="#614">614</a> 
<a class="jxr_linenumber" name="615" href="#615">615</a>             <em class="jxr_comment">// render cached image</em>
<a class="jxr_linenumber" name="616" href="#616">616</a>             g.drawImage(img, 0, 0, <strong class="jxr_keyword">null</strong>);
<a class="jxr_linenumber" name="617" href="#617">617</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="618" href="#618">618</a> 
<a class="jxr_linenumber" name="619" href="#619">619</a>             <em class="jxr_comment">// render directly</em>
<a class="jxr_linenumber" name="620" href="#620">620</a>             paintDirectly(g, c, w, h, extendedCacheKeys);
<a class="jxr_linenumber" name="621" href="#621">621</a>         }
<a class="jxr_linenumber" name="622" href="#622">622</a>     }
<a class="jxr_linenumber" name="623" href="#623">623</a> 
<a class="jxr_linenumber" name="624" href="#624">624</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="625" href="#625">625</a> <em class="jxr_javadoccomment">     * Convenience method which creates a temporary graphics object by creating</em>
<a class="jxr_linenumber" name="626" href="#626">626</a> <em class="jxr_javadoccomment">     * a clone of the passed in one, configuring it, drawing with it, disposing</em>
<a class="jxr_linenumber" name="627" href="#627">627</a> <em class="jxr_javadoccomment">     * it. These steps have to be taken to ensure that any hints set on the</em>
<a class="jxr_linenumber" name="628" href="#628">628</a> <em class="jxr_javadoccomment">     * graphics are removed subsequent to painting.</em>
<a class="jxr_linenumber" name="629" href="#629">629</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="630" href="#630">630</a> <em class="jxr_javadoccomment">     * @param g                 the Graphics2D context to paint with.</em>
<a class="jxr_linenumber" name="631" href="#631">631</a> <em class="jxr_javadoccomment">     * @param c                 the component to paint.</em>
<a class="jxr_linenumber" name="632" href="#632">632</a> <em class="jxr_javadoccomment">     * @param w                 the component width.</em>
<a class="jxr_linenumber" name="633" href="#633">633</a> <em class="jxr_javadoccomment">     * @param h                 the component height.</em>
<a class="jxr_linenumber" name="634" href="#634">634</a> <em class="jxr_javadoccomment">     * @param extendedCacheKeys extended cache keys.</em>
<a class="jxr_linenumber" name="635" href="#635">635</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="636" href="#636">636</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> paintDirectly(Graphics2D g, JComponent c, <strong class="jxr_keyword">int</strong> w, <strong class="jxr_keyword">int</strong> h, Object[] extendedCacheKeys) {
<a class="jxr_linenumber" name="637" href="#637">637</a>         g = (Graphics2D) g.create();
<a class="jxr_linenumber" name="638" href="#638">638</a>         configureGraphics(g);
<a class="jxr_linenumber" name="639" href="#639">639</a>         doPaint(g, c, w, h, extendedCacheKeys);
<a class="jxr_linenumber" name="640" href="#640">640</a>         g.dispose();
<a class="jxr_linenumber" name="641" href="#641">641</a>     }
<a class="jxr_linenumber" name="642" href="#642">642</a> 
<a class="jxr_linenumber" name="643" href="#643">643</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="644" href="#644">644</a> <em class="jxr_javadoccomment">     * Gets the rendered image for this painter at the requested size, either</em>
<a class="jxr_linenumber" name="645" href="#645">645</a> <em class="jxr_javadoccomment">     * from cache or create a new one</em>
<a class="jxr_linenumber" name="646" href="#646">646</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="647" href="#647">647</a> <em class="jxr_javadoccomment">     * @param  config            the graphics configuration.</em>
<a class="jxr_linenumber" name="648" href="#648">648</a> <em class="jxr_javadoccomment">     * @param  c                 the component to paint.</em>
<a class="jxr_linenumber" name="649" href="#649">649</a> <em class="jxr_javadoccomment">     * @param  w                 the component width.</em>
<a class="jxr_linenumber" name="650" href="#650">650</a> <em class="jxr_javadoccomment">     * @param  h                 the component height.</em>
<a class="jxr_linenumber" name="651" href="#651">651</a> <em class="jxr_javadoccomment">     * @param  extendedCacheKeys extended cache keys.</em>
<a class="jxr_linenumber" name="652" href="#652">652</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="653" href="#653">653</a> <em class="jxr_javadoccomment">     * @return the new image.</em>
<a class="jxr_linenumber" name="654" href="#654">654</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="655" href="#655">655</a>     <strong class="jxr_keyword">private</strong> VolatileImage getImage(GraphicsConfiguration config, JComponent c, <strong class="jxr_keyword">int</strong> w, <strong class="jxr_keyword">int</strong> h, Object[] extendedCacheKeys) {
<a class="jxr_linenumber" name="656" href="#656">656</a>         <a href="../../../com/seaglasslookandfeel/util/ImageCache.html">ImageCache</a> imageCache = ImageCache.getInstance();
<a class="jxr_linenumber" name="657" href="#657">657</a> 
<a class="jxr_linenumber" name="658" href="#658">658</a>         <em class="jxr_comment">// get the buffer for this component</em>
<a class="jxr_linenumber" name="659" href="#659">659</a>         VolatileImage buffer = (VolatileImage) imageCache.getImage(config, w, h, <strong class="jxr_keyword">this</strong>, extendedCacheKeys);
<a class="jxr_linenumber" name="660" href="#660">660</a> 
<a class="jxr_linenumber" name="661" href="#661">661</a>         <strong class="jxr_keyword">int</strong> renderCounter = 0; <em class="jxr_comment">// to avoid any potential, though unlikely,</em>
<a class="jxr_linenumber" name="662" href="#662">662</a> 
<a class="jxr_linenumber" name="663" href="#663">663</a>         <em class="jxr_comment">// infinite loop</em>
<a class="jxr_linenumber" name="664" href="#664">664</a>         <strong class="jxr_keyword">do</strong> {
<a class="jxr_linenumber" name="665" href="#665">665</a> 
<a class="jxr_linenumber" name="666" href="#666">666</a>             <em class="jxr_comment">// validate the buffer so we can check for surface loss</em>
<a class="jxr_linenumber" name="667" href="#667">667</a>             <strong class="jxr_keyword">int</strong> bufferStatus = VolatileImage.IMAGE_INCOMPATIBLE;
<a class="jxr_linenumber" name="668" href="#668">668</a> 
<a class="jxr_linenumber" name="669" href="#669">669</a>             <strong class="jxr_keyword">if</strong> (buffer != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="670" href="#670">670</a>                 bufferStatus = buffer.validate(config);
<a class="jxr_linenumber" name="671" href="#671">671</a>             }
<a class="jxr_linenumber" name="672" href="#672">672</a> 
<a class="jxr_linenumber" name="673" href="#673">673</a>             <em class="jxr_comment">// If the buffer status is incompatible or restored, then we need to</em>
<a class="jxr_linenumber" name="674" href="#674">674</a>             <em class="jxr_comment">// re-render to the volatile image</em>
<a class="jxr_linenumber" name="675" href="#675">675</a>             <strong class="jxr_keyword">if</strong> (bufferStatus == VolatileImage.IMAGE_INCOMPATIBLE || bufferStatus == VolatileImage.IMAGE_RESTORED) {
<a class="jxr_linenumber" name="676" href="#676">676</a> 
<a class="jxr_linenumber" name="677" href="#677">677</a>                 <em class="jxr_comment">// if the buffer is null (hasn't been created), or isn't the</em>
<a class="jxr_linenumber" name="678" href="#678">678</a>                 <em class="jxr_comment">// right size, or has lost its contents,</em>
<a class="jxr_linenumber" name="679" href="#679">679</a>                 <em class="jxr_comment">// then recreate the buffer</em>
<a class="jxr_linenumber" name="680" href="#680">680</a>                 <strong class="jxr_keyword">if</strong> (buffer == <strong class="jxr_keyword">null</strong> || buffer.getWidth() != w || buffer.getHeight() != h
<a class="jxr_linenumber" name="681" href="#681">681</a>                         || bufferStatus == VolatileImage.IMAGE_INCOMPATIBLE) {
<a class="jxr_linenumber" name="682" href="#682">682</a> 
<a class="jxr_linenumber" name="683" href="#683">683</a>                     <em class="jxr_comment">// clear any resources related to the old back buffer</em>
<a class="jxr_linenumber" name="684" href="#684">684</a>                     <strong class="jxr_keyword">if</strong> (buffer != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="685" href="#685">685</a>                         buffer.flush();
<a class="jxr_linenumber" name="686" href="#686">686</a>                         buffer = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="687" href="#687">687</a>                     }
<a class="jxr_linenumber" name="688" href="#688">688</a> 
<a class="jxr_linenumber" name="689" href="#689">689</a>                     <em class="jxr_comment">// recreate the buffer</em>
<a class="jxr_linenumber" name="690" href="#690">690</a>                     buffer = config.createCompatibleVolatileImage(w, h, Transparency.TRANSLUCENT);
<a class="jxr_linenumber" name="691" href="#691">691</a> 
<a class="jxr_linenumber" name="692" href="#692">692</a>                     <em class="jxr_comment">// put in cache for future</em>
<a class="jxr_linenumber" name="693" href="#693">693</a>                     imageCache.setImage(buffer, config, w, h, <strong class="jxr_keyword">this</strong>, extendedCacheKeys);
<a class="jxr_linenumber" name="694" href="#694">694</a>                 }
<a class="jxr_linenumber" name="695" href="#695">695</a> 
<a class="jxr_linenumber" name="696" href="#696">696</a>                 <em class="jxr_comment">// create the graphics context with which to paint to the buffer</em>
<a class="jxr_linenumber" name="697" href="#697">697</a>                 Graphics2D bg = buffer.createGraphics();
<a class="jxr_linenumber" name="698" href="#698">698</a> 
<a class="jxr_linenumber" name="699" href="#699">699</a>                 <em class="jxr_comment">// clear the background before configuring the graphics</em>
<a class="jxr_linenumber" name="700" href="#700">700</a>                 bg.setComposite(AlphaComposite.Clear);
<a class="jxr_linenumber" name="701" href="#701">701</a>                 bg.fillRect(0, 0, w, h);
<a class="jxr_linenumber" name="702" href="#702">702</a>                 bg.setComposite(AlphaComposite.SrcOver);
<a class="jxr_linenumber" name="703" href="#703">703</a>                 configureGraphics(bg);
<a class="jxr_linenumber" name="704" href="#704">704</a> 
<a class="jxr_linenumber" name="705" href="#705">705</a>                 <em class="jxr_comment">// paint the painter into buffer</em>
<a class="jxr_linenumber" name="706" href="#706">706</a>                 paintDirectly(bg, c, w, h, extendedCacheKeys);
<a class="jxr_linenumber" name="707" href="#707">707</a> 
<a class="jxr_linenumber" name="708" href="#708">708</a>                 <em class="jxr_comment">// close buffer graphics</em>
<a class="jxr_linenumber" name="709" href="#709">709</a>                 bg.dispose();
<a class="jxr_linenumber" name="710" href="#710">710</a>             }
<a class="jxr_linenumber" name="711" href="#711">711</a>         } <strong class="jxr_keyword">while</strong> (buffer.contentsLost() &amp;&amp; renderCounter++ &lt; 3);
<a class="jxr_linenumber" name="712" href="#712">712</a> 
<a class="jxr_linenumber" name="713" href="#713">713</a>         <em class="jxr_comment">// check if we failed</em>
<a class="jxr_linenumber" name="714" href="#714">714</a>         <strong class="jxr_keyword">if</strong> (renderCounter == 3)
<a class="jxr_linenumber" name="715" href="#715">715</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="716" href="#716">716</a> 
<a class="jxr_linenumber" name="717" href="#717">717</a>         <em class="jxr_comment">// return image</em>
<a class="jxr_linenumber" name="718" href="#718">718</a>         <strong class="jxr_keyword">return</strong> buffer;
<a class="jxr_linenumber" name="719" href="#719">719</a>     }
<a class="jxr_linenumber" name="720" href="#720">720</a> 
<a class="jxr_linenumber" name="721" href="#721">721</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="722" href="#722">722</a> <em class="jxr_javadoccomment">     * Clamp the value to legal limits. These are between 0.0f and 1.0f,</em>
<a class="jxr_linenumber" name="723" href="#723">723</a> <em class="jxr_javadoccomment">     * inclusive.</em>
<a class="jxr_linenumber" name="724" href="#724">724</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="725" href="#725">725</a> <em class="jxr_javadoccomment">     * @param  value the original value.</em>
<a class="jxr_linenumber" name="726" href="#726">726</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="727" href="#727">727</a> <em class="jxr_javadoccomment">     * @return the new value.</em>
<a class="jxr_linenumber" name="728" href="#728">728</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="729" href="#729">729</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">float</strong> clamp(<strong class="jxr_keyword">float</strong> value) {
<a class="jxr_linenumber" name="730" href="#730">730</a>         <strong class="jxr_keyword">if</strong> (value &lt; 0) {
<a class="jxr_linenumber" name="731" href="#731">731</a>             value = 0;
<a class="jxr_linenumber" name="732" href="#732">732</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (value &gt; 1) {
<a class="jxr_linenumber" name="733" href="#733">733</a>             value = 1;
<a class="jxr_linenumber" name="734" href="#734">734</a>         }
<a class="jxr_linenumber" name="735" href="#735">735</a> 
<a class="jxr_linenumber" name="736" href="#736">736</a>         <strong class="jxr_keyword">return</strong> value;
<a class="jxr_linenumber" name="737" href="#737">737</a>     }
<a class="jxr_linenumber" name="738" href="#738">738</a> 
<a class="jxr_linenumber" name="739" href="#739">739</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="740" href="#740">740</a> <em class="jxr_javadoccomment">     * Clamp the value to legal limits. These are between 0 and 255, inclusive.</em>
<a class="jxr_linenumber" name="741" href="#741">741</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="742" href="#742">742</a> <em class="jxr_javadoccomment">     * @param  value the original value.</em>
<a class="jxr_linenumber" name="743" href="#743">743</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="744" href="#744">744</a> <em class="jxr_javadoccomment">     * @return the new value.</em>
<a class="jxr_linenumber" name="745" href="#745">745</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="746" href="#746">746</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> clamp(<strong class="jxr_keyword">int</strong> value) {
<a class="jxr_linenumber" name="747" href="#747">747</a>         <strong class="jxr_keyword">if</strong> (value &lt; 0) {
<a class="jxr_linenumber" name="748" href="#748">748</a>             value = 0;
<a class="jxr_linenumber" name="749" href="#749">749</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (value &gt; 255) {
<a class="jxr_linenumber" name="750" href="#750">750</a>             value = 255;
<a class="jxr_linenumber" name="751" href="#751">751</a>         }
<a class="jxr_linenumber" name="752" href="#752">752</a> 
<a class="jxr_linenumber" name="753" href="#753">753</a>         <strong class="jxr_keyword">return</strong> value;
<a class="jxr_linenumber" name="754" href="#754">754</a>     }
<a class="jxr_linenumber" name="755" href="#755">755</a> 
<a class="jxr_linenumber" name="756" href="#756">756</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="757" href="#757">757</a> <em class="jxr_javadoccomment">     * A class encapsulating state useful when painting. Generally, instances of</em>
<a class="jxr_linenumber" name="758" href="#758">758</a> <em class="jxr_javadoccomment">     * this class are created once, and reused for each paint request without</em>
<a class="jxr_linenumber" name="759" href="#759">759</a> <em class="jxr_javadoccomment">     * modification. This class contains values useful when hinting the cache</em>
<a class="jxr_linenumber" name="760" href="#760">760</a> <em class="jxr_javadoccomment">     * engine, and when decoding control points and bezier curve anchors.</em>
<a class="jxr_linenumber" name="761" href="#761">761</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="762" href="#762">762</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">PaintContext</a> {
<a class="jxr_linenumber" name="763" href="#763">763</a> 
<a class="jxr_linenumber" name="764" href="#764">764</a>         <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="765" href="#765">765</a> <em class="jxr_javadoccomment">         * The cache modes.</em>
<a class="jxr_linenumber" name="766" href="#766">766</a> <em class="jxr_javadoccomment">         */</em>
<a class="jxr_linenumber" name="767" href="#767">767</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> enum <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">CacheMode</a> {
<a class="jxr_linenumber" name="768" href="#768">768</a>             NO_CACHING, FIXED_SIZES
<a class="jxr_linenumber" name="769" href="#769">769</a>         }
<a class="jxr_linenumber" name="770" href="#770">770</a> 
<a class="jxr_linenumber" name="771" href="#771">771</a>         <strong class="jxr_keyword">private</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">CacheMode</a> cacheMode;
<a class="jxr_linenumber" name="772" href="#772">772</a> 
<a class="jxr_linenumber" name="773" href="#773">773</a>         <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="774" href="#774">774</a> <em class="jxr_javadoccomment">         * Creates a new PaintContext.</em>
<a class="jxr_linenumber" name="775" href="#775">775</a> <em class="jxr_javadoccomment">         *</em>
<a class="jxr_linenumber" name="776" href="#776">776</a> <em class="jxr_javadoccomment">         * @param cacheMode A hint as to which caching mode to use. If null,</em>
<a class="jxr_linenumber" name="777" href="#777">777</a> <em class="jxr_javadoccomment">         *                  then set to no caching.</em>
<a class="jxr_linenumber" name="778" href="#778">778</a> <em class="jxr_javadoccomment">         */</em>
<a class="jxr_linenumber" name="779" href="#779">779</a>         <strong class="jxr_keyword">public</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">PaintContext</a>(<a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">CacheMode</a> cacheMode) {
<a class="jxr_linenumber" name="780" href="#780">780</a>             <strong class="jxr_keyword">this</strong>.cacheMode = cacheMode == <strong class="jxr_keyword">null</strong> ? CacheMode.NO_CACHING : cacheMode;
<a class="jxr_linenumber" name="781" href="#781">781</a>         }
<a class="jxr_linenumber" name="782" href="#782">782</a> 
<a class="jxr_linenumber" name="783" href="#783">783</a>         <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="784" href="#784">784</a> <em class="jxr_javadoccomment">         * Returns the cache mode.</em>
<a class="jxr_linenumber" name="785" href="#785">785</a> <em class="jxr_javadoccomment">         *</em>
<a class="jxr_linenumber" name="786" href="#786">786</a> <em class="jxr_javadoccomment">         * @return the cache mode.</em>
<a class="jxr_linenumber" name="787" href="#787">787</a> <em class="jxr_javadoccomment">         */</em>
<a class="jxr_linenumber" name="788" href="#788">788</a>         <strong class="jxr_keyword">public</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">CacheMode</a> getCacheMode() {
<a class="jxr_linenumber" name="789" href="#789">789</a>             <strong class="jxr_keyword">return</strong> cacheMode;
<a class="jxr_linenumber" name="790" href="#790">790</a>         }
<a class="jxr_linenumber" name="791" href="#791">791</a>     }
<a class="jxr_linenumber" name="792" href="#792">792</a> 
<a class="jxr_linenumber" name="793" href="#793">793</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="794" href="#794">794</a> <em class="jxr_javadoccomment">     * Two color gradients.</em>
<a class="jxr_linenumber" name="795" href="#795">795</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="796" href="#796">796</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">TwoColors</a> {
<a class="jxr_linenumber" name="797" href="#797">797</a> 
<a class="jxr_linenumber" name="798" href="#798">798</a>         <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Top (or left) color. */</em>
<a class="jxr_linenumber" name="799" href="#799">799</a>         <strong class="jxr_keyword">public</strong> Color top;
<a class="jxr_linenumber" name="800" href="#800">800</a> 
<a class="jxr_linenumber" name="801" href="#801">801</a>         <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Bottom (or right) color. */</em>
<a class="jxr_linenumber" name="802" href="#802">802</a>         <strong class="jxr_keyword">public</strong> Color bottom;
<a class="jxr_linenumber" name="803" href="#803">803</a> 
<a class="jxr_linenumber" name="804" href="#804">804</a>         <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="805" href="#805">805</a> <em class="jxr_javadoccomment">         * Creates a new TwoColors object.</em>
<a class="jxr_linenumber" name="806" href="#806">806</a> <em class="jxr_javadoccomment">         *</em>
<a class="jxr_linenumber" name="807" href="#807">807</a> <em class="jxr_javadoccomment">         * @param top    the top (or left) color.</em>
<a class="jxr_linenumber" name="808" href="#808">808</a> <em class="jxr_javadoccomment">         * @param bottom the bottom (or right) color.</em>
<a class="jxr_linenumber" name="809" href="#809">809</a> <em class="jxr_javadoccomment">         */</em>
<a class="jxr_linenumber" name="810" href="#810">810</a>         <strong class="jxr_keyword">public</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">TwoColors</a>(Color top, Color bottom) {
<a class="jxr_linenumber" name="811" href="#811">811</a>             <strong class="jxr_keyword">this</strong>.top    = top;
<a class="jxr_linenumber" name="812" href="#812">812</a>             <strong class="jxr_keyword">this</strong>.bottom = bottom;
<a class="jxr_linenumber" name="813" href="#813">813</a>         }
<a class="jxr_linenumber" name="814" href="#814">814</a>     }
<a class="jxr_linenumber" name="815" href="#815">815</a> 
<a class="jxr_linenumber" name="816" href="#816">816</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="817" href="#817">817</a> <em class="jxr_javadoccomment">     * Three color gradients.</em>
<a class="jxr_linenumber" name="818" href="#818">818</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="819" href="#819">819</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">ThreeColors</a> <strong class="jxr_keyword">extends</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">TwoColors</a> {
<a class="jxr_linenumber" name="820" href="#820">820</a> 
<a class="jxr_linenumber" name="821" href="#821">821</a>         <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Middle color. */</em>
<a class="jxr_linenumber" name="822" href="#822">822</a>         <strong class="jxr_keyword">public</strong> Color mid;
<a class="jxr_linenumber" name="823" href="#823">823</a> 
<a class="jxr_linenumber" name="824" href="#824">824</a>         <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="825" href="#825">825</a> <em class="jxr_javadoccomment">         * Creates a new ThreeColors object.</em>
<a class="jxr_linenumber" name="826" href="#826">826</a> <em class="jxr_javadoccomment">         *</em>
<a class="jxr_linenumber" name="827" href="#827">827</a> <em class="jxr_javadoccomment">         * @param top    the top (or left) color.</em>
<a class="jxr_linenumber" name="828" href="#828">828</a> <em class="jxr_javadoccomment">         * @param mid    the middle color.</em>
<a class="jxr_linenumber" name="829" href="#829">829</a> <em class="jxr_javadoccomment">         * @param bottom the bottom (or right) color.</em>
<a class="jxr_linenumber" name="830" href="#830">830</a> <em class="jxr_javadoccomment">         */</em>
<a class="jxr_linenumber" name="831" href="#831">831</a>         <strong class="jxr_keyword">public</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">ThreeColors</a>(Color top, Color mid, Color bottom) {
<a class="jxr_linenumber" name="832" href="#832">832</a>             <strong class="jxr_keyword">super</strong>(top, bottom);
<a class="jxr_linenumber" name="833" href="#833">833</a>             <strong class="jxr_keyword">this</strong>.mid = mid;
<a class="jxr_linenumber" name="834" href="#834">834</a>         }
<a class="jxr_linenumber" name="835" href="#835">835</a>     }
<a class="jxr_linenumber" name="836" href="#836">836</a> 
<a class="jxr_linenumber" name="837" href="#837">837</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="838" href="#838">838</a> <em class="jxr_javadoccomment">     * Four color gradients.</em>
<a class="jxr_linenumber" name="839" href="#839">839</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="840" href="#840">840</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">FourColors</a> <strong class="jxr_keyword">extends</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">TwoColors</a> {
<a class="jxr_linenumber" name="841" href="#841">841</a> 
<a class="jxr_linenumber" name="842" href="#842">842</a>         <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Upper (or left) middle color. */</em>
<a class="jxr_linenumber" name="843" href="#843">843</a>         <strong class="jxr_keyword">public</strong> Color upperMid;
<a class="jxr_linenumber" name="844" href="#844">844</a> 
<a class="jxr_linenumber" name="845" href="#845">845</a>         <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Lower (or right) middle color. */</em>
<a class="jxr_linenumber" name="846" href="#846">846</a>         <strong class="jxr_keyword">public</strong> Color lowerMid;
<a class="jxr_linenumber" name="847" href="#847">847</a> 
<a class="jxr_linenumber" name="848" href="#848">848</a>         <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="849" href="#849">849</a> <em class="jxr_javadoccomment">         * Creates a new FourColors object.</em>
<a class="jxr_linenumber" name="850" href="#850">850</a> <em class="jxr_javadoccomment">         *</em>
<a class="jxr_linenumber" name="851" href="#851">851</a> <em class="jxr_javadoccomment">         * @param top      the top (or left) color.</em>
<a class="jxr_linenumber" name="852" href="#852">852</a> <em class="jxr_javadoccomment">         * @param upperMid the upper (or left) middle color.</em>
<a class="jxr_linenumber" name="853" href="#853">853</a> <em class="jxr_javadoccomment">         * @param lowerMid the lower (or right) middle color.</em>
<a class="jxr_linenumber" name="854" href="#854">854</a> <em class="jxr_javadoccomment">         * @param bottom   the bottom (or right) color.</em>
<a class="jxr_linenumber" name="855" href="#855">855</a> <em class="jxr_javadoccomment">         */</em>
<a class="jxr_linenumber" name="856" href="#856">856</a>         <strong class="jxr_keyword">public</strong> <a href="../../../com/seaglasslookandfeel/painter/AbstractRegionPainter.html">FourColors</a>(Color top, Color upperMid, Color lowerMid, Color bottom) {
<a class="jxr_linenumber" name="857" href="#857">857</a>             <strong class="jxr_keyword">super</strong>(top, bottom);
<a class="jxr_linenumber" name="858" href="#858">858</a>             <strong class="jxr_keyword">this</strong>.upperMid = upperMid;
<a class="jxr_linenumber" name="859" href="#859">859</a>             <strong class="jxr_keyword">this</strong>.lowerMid = lowerMid;
<a class="jxr_linenumber" name="860" href="#860">860</a>         }
<a class="jxr_linenumber" name="861" href="#861">861</a>     }
<a class="jxr_linenumber" name="862" href="#862">862</a> }
</pre>
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